Puzzle No.48

This is a Classic Sudoku from the Japanese Sudoku Championship - 2007.

PUZZLE NO.48: CLASSIC SUDOKU


SOLUTION:

Puzzle No.47

This is an Extra Region Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.47: EXTRA-REGION SUDOKU


SOLUTION:

Puzzle No.46

This is a Diagonal Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.46: DIAGONAL SUDOKU


SOLUTION:

Puzzle No.45

This is an Irregular Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.45: IRREGULAR SUDOKU


SOLUTION:

Puzzle No.44

This is a Classic Sudoku from the Japanese Sudoku Championship - 2007.

PUZZLE NO.44: CLASSIC SUDOKU


SOLUTION:

Puzzle No.43

This is an Outside Sudoku from the Japanese Sudoku Championship - 2007.

PUZZLE NO.43: OUTSIDE SUDOKU


SOLUTION:

Rules of 'Outside Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Outside cells must be inserted in one of the first three cells of the row or column as seen from that direction.

EXAMPLE:


UNIQUE SOLUTION:

Puzzle No.42

This is a Consecutive Sudoku from the Japanese Sudoku Championship - 2007.

PUZZLE NO.42: CONSECUTIVE SUDOKU


SOLUTION:

Rules of 'Consecutive Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Neighbouring cells which contain consecutive numbers are separated by dots or bars.

EXAMPLE:


UNIQUE SOLUTION:

Puzzle No.41

This is an Extra Region Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.41: EXTRA REGION SUDOKU


SOLUTION:

Rules of 'Extra Region Sudoku'

Place numbers in the grid such that every row, column and 3x3 box contain the numbers 1 to 9. Each group of nine coloured cells must also contain the numbers 1 to 9.

EXAMPLE:


UNIQUE SOLUTION:

Puzzle No.40

This is a Hitori puzzle from the French Puzzle Championship - 2008.

PUZZLE NO.40: HITORI


SOLUTION:

Rules of 'Hitori'

Paint out some cells such that there are no duplicate numbers in any row or column. Painted cells cannot share an edge. All the unpainted cells must be connected horizontally or vertically in a single group.

EXAMPLE:


UNIQUE SOLUTION:

Puzzle No.39

Puzzle: Black And White
Author: Rohan Rao

PUZZLE NO.39: BLACK AND WHITE


SOLUTION:

Puzzle No.38

This is a Hexagonal Fence puzzle from the French Puzzle Championship - 2004.

PUZZLE NO.38: FENCE


SOLUTION:

Puzzle No.37

Puzzle: Black And White
Author: Rohan Rao

PUZZLE NO.37: BLACK AND WHITE


SOLUTION:

Rules of 'Black And White'

Each square in the grid will contain either a black circle or a white circle. Fill in the grid with the correct set of circles such that there is a single connected group of white circles and a single connected group of black circles. Cells are connected horizontally and vertically. Nowhere in the grid can there be a 2x2 group of squares all containing the same colour circles.

EXAMPLE:


UNIQUE SOLUTION:

Puzzle No.36

This is a Tents puzzle from the French Puzzle Championship - 2004.

PUZZLE NO.36: TENTS


SOLUTION:

Puzzle No.35

This is an Along The Lines puzzle that I made. I tried making it challenging, but it turned out to be easy in the end.

PUZZLE NO.35: ALONG THE LINES


SOLUTION:

Puzzle No.34

This is a Loop Finder puzzle from the French Puzzle Championship - 2008.

PUZZLE NO.34: LOOP FINDER


SOLUTION:

Puzzle No.33

This is an Every Second Turn puzzle from the French Puzzle Championship - 2005.

PUZZLE NO.33: EVERY SECOND TURN


SOLUTION:

Puzzle No.32

This is an Irregular Sudoku from the Bulgarian Sudoku Championship - 2007.

PUZZLE NO.32: IRREGULAR SUDOKU


SOLUTION:

Rules of 'Irregular Sudoku'

Place numbers in the grid such that each row, column and thick-outlined region contain the numbers 1 to 9.

EXAMPLE:


UNIQUE SOLUTION:

Puzzle No.31

This is an Every Second Turn puzzle from the French Puzzle Championship - 2008.

PUZZLE NO.31: EVERY SECOND TURN


SOLUTION:

Rules of 'Every Second Turn'

Draw a single continuous loop in the grid using horizontal and vertical line segments such that the loop visits every square exactly once. It should not cross or overlap itself. It makes a 90-deg turn at every square with a circle. There is exactly one turn between two consecutive circles that the loop visits.

EXAMPLE:


UNIQUE SOLUTION: